List of usage examples for java.lang Character forDigit
public static char forDigit(int digit, int radix)
From source file:org.apache.jasper.compiler.JspUtil.java
/** * Mangle the specified character to create a legal Java class name. */// w ww . j a v a2 s . c o m public static final String mangleChar(char ch) { char[] result = new char[5]; result[0] = '_'; result[1] = Character.forDigit((ch >> 12) & 0xf, 16); result[2] = Character.forDigit((ch >> 8) & 0xf, 16); result[3] = Character.forDigit((ch >> 4) & 0xf, 16); result[4] = Character.forDigit(ch & 0xf, 16); return new String(result); }
From source file:com.orange.api.atmosdav.AtmosDavServlet.java
public static String encode(String s) { int maxBytesPerChar = 10; // rather arbitrary limit, but safe for now StringBuffer out = new StringBuffer(s.length()); ByteArrayOutputStream buf = new ByteArrayOutputStream(maxBytesPerChar); try {/*from ww w . j a v a 2 s .c o m*/ OutputStreamWriter writer = new OutputStreamWriter(buf, dfltEncName); for (int i = 0; i < s.length(); i++) { int c = (int) s.charAt(i); if (dontNeedEncoding.get(c)) { out.append((char) c); } else { // convert to external encoding before hex conversion try { writer.write(c); /* * If this character represents the start of a Unicode * surrogate pair, then pass in two characters. It's not * clear what should be done if a bytes reserved in the * surrogate pairs range occurs outside of a legal * surrogate pair. For now, just treat it as if it were * any other character. */ if (c >= 0xD800 && c <= 0xDBFF) { if ((i + 1) < s.length()) { int d = (int) s.charAt(i + 1); if (d >= 0xDC00 && d <= 0xDFFF) { writer.write(d); i++; } } } writer.flush(); } catch (IOException e) { buf.reset(); continue; } byte[] ba = buf.toByteArray(); for (int j = 0; j < ba.length; j++) { out.append('%'); char ch = Character.forDigit((ba[j] >> 4) & 0xF, 16); // converting to use uppercase letter as part of // the hex value if ch is a letter. if (Character.isLetter(ch)) { ch -= caseDiff; } out.append(ch); ch = Character.forDigit(ba[j] & 0xF, 16); if (Character.isLetter(ch)) { ch -= caseDiff; } out.append(ch); } buf.reset(); } } return out.toString(); } catch (UnsupportedEncodingException e) { return s; } }
From source file:org.latticesoft.util.common.MiscUtil.java
/** * Generates a random alpha numeric string according to the format. * X: upper case letters//ww w. jav a 2 s . c om * x: lower case letters * n: numeric numbers * @param format the format of the random string * @param maxSleep the randomness seed of the sleep */ public static String getRandomString(String format, int maxSleep) { char c = ' '; if (format == null || format.length() == 0) { return ""; } StringBuffer sb = new StringBuffer(); int theChar = 0; String s = null; for (int i = 0; i < format.length(); i++) { c = format.charAt(i); s = " "; if (c == 'X' || c == 'A') { theChar = 10 + (NumeralUtil.getRandomInt(26 * 5000) % 26); c = Character.forDigit(theChar, Character.MAX_RADIX); s = "" + Character.toUpperCase(c); sb.append(s); } else if (c == 'x' || c == 'a') { theChar = 10 + (NumeralUtil.getRandomInt(26 * 5000) % 26); c = Character.forDigit(theChar, Character.MAX_RADIX); s = "" + Character.toLowerCase(c); sb.append(s); } else if (c == 'n' || c == 'N' || c == '0') { s = "" + (NumeralUtil.getRandomInt(5000) % 10); sb.append(s); } else if (c == 'y' || c == 'Y') { char c1 = ' '; StringBuffer sb2 = new StringBuffer(); for (int j = i; j < format.length(); j++) { c1 = format.charAt(j); if (c1 == 'y' || c1 == 'Y') { sb2.append(c1); } else { break; } } int size = sb2.length(); Timestamp ts = DateUtil.getCurrentTimestamp(); if (size == 2 || size == 4) { sb.append(DateUtil.formatDate(sb2.toString(), ts)); } else { sb.append(sb2.toString()); } i += size - 1; } else if (c == 'M') { char c1 = ' '; StringBuffer sb2 = new StringBuffer(); for (int j = i; j < format.length(); j++) { c1 = format.charAt(j); if (c1 == 'M') { sb2.append(c1); } else { break; } } int size = sb2.length(); Timestamp ts = DateUtil.getCurrentTimestamp(); if (size == 2 || size == 3) { sb.append(DateUtil.formatDate(sb2.toString(), ts)); } else { sb.append(sb2.toString()); } i += size - 1; } else if (c == 'd') { char c1 = ' '; StringBuffer sb2 = new StringBuffer(); for (int j = i; j < format.length(); j++) { c1 = format.charAt(j); if (c1 == 'd') { sb2.append(c1); } else { break; } } int size = sb2.length(); Timestamp ts = DateUtil.getCurrentTimestamp(); if (size == 2) { sb.append(DateUtil.formatDate(sb2.toString(), ts)); } else { sb.append(sb2.toString()); } i += size - 1; } else if (c == 'H') { char c1 = ' '; StringBuffer sb2 = new StringBuffer(); for (int j = i; j < format.length(); j++) { c1 = format.charAt(j); if (c1 == 'H') { sb2.append(c1); } else { break; } } int size = sb2.length(); Timestamp ts = DateUtil.getCurrentTimestamp(); if (size == 2) { sb.append(DateUtil.formatDate(sb2.toString(), ts)); } else { sb.append(sb2.toString()); } i += size - 1; } else if (c == 'm') { char c1 = ' '; StringBuffer sb2 = new StringBuffer(); for (int j = i; j < format.length(); j++) { c1 = format.charAt(j); if (c1 == 'm') { sb2.append(c1); } else { break; } } int size = sb2.length(); Timestamp ts = DateUtil.getCurrentTimestamp(); if (size == 2) { sb.append(DateUtil.formatDate(sb2.toString(), ts)); } else { sb.append(sb2.toString()); } i += size - 1; } else if (c == 's') { char c1 = ' '; StringBuffer sb2 = new StringBuffer(); for (int j = i; j < format.length(); j++) { c1 = format.charAt(j); if (c1 == 's') { sb2.append(c1); } else { break; } } int size = sb2.length(); Timestamp ts = DateUtil.getCurrentTimestamp(); if (size == 2) { sb.append(DateUtil.formatDate(sb2.toString(), ts)); } else { sb.append(sb2.toString()); } i += size - 1; } else if (c == 'S') { char c1 = ' '; StringBuffer sb2 = new StringBuffer(); for (int j = i; j < format.length(); j++) { c1 = format.charAt(j); if (c1 == 'S') { sb2.append(c1); } else { break; } } int size = sb2.length(); Timestamp ts = DateUtil.getCurrentTimestamp(); if (size == 3) { sb.append(DateUtil.formatDate(sb2.toString(), ts)); } else { sb.append(sb2.toString()); } i += size - 1; } else { s = "" + c; sb.append(s); } ThreadUtil.randomSleep(maxSleep); } return sb.toString(); }
From source file:edu.oregonstate.eecs.mcplan.util.Fn.java
/** * Convert a BitSet to a string in which each character represents * 'block_size' consecutive bits./*from w w w . j a va 2 s .co m*/ * @param bits * @param block_size Min 1, max 5 * @return */ public static String toDigits(final BitSet bits, final int block_size) { assert (block_size >= 1); assert (block_size <= 5); final int radix = 1 << block_size; final StringBuffer sb = new StringBuffer(); for (int i = 0; i < bits.length(); i += block_size) { int c = 0; for (int j = 0; j < block_size; ++j) { c |= (bits.get(i + j) ? 1 : 0) << j; } sb.append(Character.forDigit(c, radix)); } return sb.reverse().toString(); }
From source file:org.apache.wookie.beans.jcr.JCRPersistenceManager.java
/** * Escape invalid JCR characters in name. * //from w w w . j ava 2 s . c om * @param name original name * @return escaped or original name */ public static String escapeJCRName(String name) { StringBuilder escapedName = null; if (name != null) { for (int i = 0, limit = name.length(); (i < limit); i++) { char nameChar = name.charAt(i); switch (nameChar) { case '%': case '/': case ':': case '[': case ']': case '|': case '*': if (escapedName == null) { escapedName = new StringBuilder(name.substring(0, i)); } escapedName.append('%'); escapedName.append(Character.toUpperCase(Character.forDigit(nameChar / 16, 16))); escapedName.append(Character.toUpperCase(Character.forDigit(nameChar % 16, 16))); break; default: if (escapedName != null) { escapedName.append(nameChar); } break; } } } return ((escapedName != null) ? escapedName.toString() : name); }
From source file:com.welfare.common.util.UtilValidate.java
public static char calcChecksum(String value, int length) { if (value != null && value.length() == length + 1) { value = value.substring(0, length); }//from w ww . ja v a 2 s . c om if (value == null || value.length() != length) { throw new IllegalArgumentException( "Illegal size of value; must be either" + length + " or " + (length + 1) + " characters"); } int oddsum = 0; int evensum = 0; for (int i = value.length() - 1; i >= 0; i--) { if ((value.length() - i) % 2 == 0) { evensum += Character.digit(value.charAt(i), 10); } else { oddsum += Character.digit(value.charAt(i), 10); } } int check = 10 - ((evensum + 3 * oddsum) % 10); if (check >= 10) check = 0; return Character.forDigit(check, 10); }
From source file:org.apache.flex.swf.io.SWFDump.java
@SuppressWarnings("unused") private String hexify(byte[] id) { StringBuilder b = new StringBuilder(id.length * 2); for (int i = 0; i < id.length; i++) { b.append(Character.forDigit((id[i] >> 4) & 15, 16)); b.append(Character.forDigit(id[i] & 15, 16)); }//from www.j a va2s . c o m return b.toString().toUpperCase(); }
From source file:ImageAnalyzer.java
String dataHexDump(String lineDelimiter) {
if (image == null)
return "";
char[] dump = new char[imageData.height * (6 + 3 * imageData.bytesPerLine + lineDelimiter.length())];
int index = 0;
for (int i = 0; i < imageData.data.length; i++) {
if (i % imageData.bytesPerLine == 0) {
int line = i / imageData.bytesPerLine;
dump[index++] = Character.forDigit(line / 1000 % 10, 10);
dump[index++] = Character.forDigit(line / 100 % 10, 10);
dump[index++] = Character.forDigit(line / 10 % 10, 10);
dump[index++] = Character.forDigit(line % 10, 10);
dump[index++] = ':';
dump[index++] = ' ';
}//w ww.ja va 2s. com
byte b = imageData.data[i];
dump[index++] = Character.forDigit((b & 0xF0) >> 4, 16);
dump[index++] = Character.forDigit(b & 0x0F, 16);
dump[index++] = ' ';
if ((i + 1) % imageData.bytesPerLine == 0) {
dump[index++] = lineDelimiter.charAt(0);
if (lineDelimiter.length() > 1)
dump[index++] = lineDelimiter.charAt(1);
}
}
String result = "";
try {
result = new String(dump);
} catch (OutOfMemoryError e) {
/* Too much data to display in the text widget - truncate at 4M. */
result = new String(dump, 0, 4 * 1024 * 1024) + "\n ...data dump truncated at 4M...";
}
return result;
}
From source file:org.eclipse.swt.examples.imageanalyzer.ImageAnalyzer.java
String dataHexDump(String lineDelimiter) {
final int MAX_DUMP = 1024 * 1024;
if (image == null)
return "";
boolean truncated = false;
char[] dump = null;
byte[] alphas = imageData.alphaData;
try {/* w w w . j a v a2 s. c o m*/
int length = imageData.height * (6 + 3 * imageData.bytesPerLine + lineDelimiter.length());
if (alphas != null && alphas.length > 0) {
length += imageData.height * (6 + 3 * imageData.width + lineDelimiter.length()) + 6
+ lineDelimiter.length();
}
dump = new char[length];
} catch (OutOfMemoryError e) {
/* Too much data to dump - truncate. */
dump = new char[MAX_DUMP];
truncated = true;
}
int index = 0;
try {
for (int i = 0; i < imageData.data.length; i++) {
if (i % imageData.bytesPerLine == 0) {
int line = i / imageData.bytesPerLine;
dump[index++] = Character.forDigit(line / 1000 % 10, 10);
dump[index++] = Character.forDigit(line / 100 % 10, 10);
dump[index++] = Character.forDigit(line / 10 % 10, 10);
dump[index++] = Character.forDigit(line % 10, 10);
dump[index++] = ':';
dump[index++] = ' ';
}
byte b = imageData.data[i];
dump[index++] = Character.forDigit((b & 0xF0) >> 4, 16);
dump[index++] = Character.forDigit(b & 0x0F, 16);
dump[index++] = ' ';
if ((i + 1) % imageData.bytesPerLine == 0) {
dump[index++] = lineDelimiter.charAt(0);
if (lineDelimiter.length() > 1) {
dump[index++] = lineDelimiter.charAt(1);
}
}
}
if (alphas != null && alphas.length > 0) {
dump[index++] = lineDelimiter.charAt(0);
if (lineDelimiter.length() > 1) {
dump[index++] = lineDelimiter.charAt(1);
}
System.arraycopy(new char[] { 'A', 'l', 'p', 'h', 'a', ':' }, 0, dump, index, 6);
index += 6;
dump[index++] = lineDelimiter.charAt(0);
if (lineDelimiter.length() > 1) {
dump[index++] = lineDelimiter.charAt(1);
}
for (int i = 0; i < alphas.length; i++) {
if (i % imageData.width == 0) {
int line = i / imageData.width;
dump[index++] = Character.forDigit(line / 1000 % 10, 10);
dump[index++] = Character.forDigit(line / 100 % 10, 10);
dump[index++] = Character.forDigit(line / 10 % 10, 10);
dump[index++] = Character.forDigit(line % 10, 10);
dump[index++] = ':';
dump[index++] = ' ';
}
byte b = alphas[i];
dump[index++] = Character.forDigit((b & 0xF0) >> 4, 16);
dump[index++] = Character.forDigit(b & 0x0F, 16);
dump[index++] = ' ';
if ((i + 1) % imageData.width == 0) {
dump[index++] = lineDelimiter.charAt(0);
if (lineDelimiter.length() > 1) {
dump[index++] = lineDelimiter.charAt(1);
}
}
}
}
} catch (IndexOutOfBoundsException e) {
}
String result = "";
try {
result = new String(dump);
} catch (OutOfMemoryError e) {
/* Too much data to display in the text widget - truncate. */
result = new String(dump, 0, MAX_DUMP);
truncated = true;
}
if (truncated)
result += "\n ...data dump truncated at " + MAX_DUMP + "bytes...";
return result;
}
From source file:de.main.sessioncreator.DesktopApplication1View.java
private void cleanupReviewPanel() { for (int i = 0; i < reviewCmbxSessiontoReview.getItemCount(); i++) { if (reviewCmbxSessiontoReview.getItemAt(i) .equals(reviewCmbxSessiontoReview.getSelectedItem().toString())) { reviewCmbxSessiontoReview.removeItemAt(i); break; }/*from w w w .ja v a 2s.c om*/ } reviewCmbxSessiontoReview.setSelectedIndex(0); Component[] compo = reviewtoReviewPanel.getComponents(); for (Component c : compo) { if (c instanceof JLabel) { JLabel jl = (JLabel) c; if (jl.getText().contains(reviewtfNameOfTester.getText())) { char nc; String text = jl.getText(); nc = text.charAt(jl.getText().lastIndexOf(":") + 2); int no = Character.digit(nc, 10); no--; jl.setText(text.replace(text.charAt(text.lastIndexOf(":") + 2), Character.forDigit(no, 10))); reviewtoReviewPanel.revalidate(); reviewtoReviewPanel.repaint(); break; } } } reviewtaCharterdynamic.setText(""); reviewtaTestsessionAreasReview.setText(""); reviewLblStartTime.setText(""); reviewtfNameOfTester.setText(""); reviewtfDuration.setText(""); reviewtfSessionSetup.setText(""); reviewtfTestDesignExecution.setText(""); reviewtfBugInvestigation.setText(""); reviewtfCharter.setText(""); reviewtaDataFiles.setText(""); reviewtaTestNotes.setText(""); reviewedipaneBugs.setText(""); reviewtaIssues.setText(""); reviewtaReview.setText(""); }